PartsTable
Technical Data Sheet
638-E665 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 638-E665 is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, material: STEEL, movement_type: MOVING COIL, PERMANENT MAGNET, pointer_color: BLACK SINGLE INDICATOR SINGLE RANGE, indicator_type: DIAL W/POINTER, overall_length: 2.562 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-009-0497, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 638-E665
NSN: 6625-01-009-0497
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
materialSTEEL
movement_typeMOVING COIL, PERMANENT MAGNET
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
indicator_typeDIAL W/POINTER
overall_length2.562 INCHES NOMINAL IN
overall_diameter3.510 INCHES MAXIMUM IN
special_featuresRUGGEDIZED
style_designatorROUND FLUSH MTG
unable_to_decodeUNABLE TO DECODE
features_providedELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
surface_treatmentENAMEL
NSN6625-01-009-0497
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 638-E665 TITLE COMPONENT PN 638-E665 MFR 638-E665
KEY FEATURES
FEATURES PROVIDED: ELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
RELIABILITY INDICATOR: ESTABLISHED
MOUNTING BOLT CIRCLE DIAMETER: 3.160 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S)
COLOR: UNABLE TO DECODE
MATERIAL: STEEL
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 SOLDER LUG
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
RELIABILITY INDICATORESTABLISHED
MOUNTING BOLT CIRCLE DIAMETER3.160 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE(S)
COLORUNABLE TO DECODE
MATERIALSTEEL
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 SOLDER LUG
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
UNABLE TO DECODEUNABLE TO DECODE
OVERALL LENGTH2.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
365Upgraded Successor
successor cross-reference
successor
25SRUpgraded Successor
successor cross-reference
successor
631Upgraded Successor
successor cross-reference
successor
321-HRUpgraded Successor
successor cross-reference
successor
52-4891Upgraded Successor
successor cross-reference
successor
77C11585-1Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 638-E665?
638-E665 is a 638-E665. It is classified as a MRO (MRO_GENERAL).
What parts can replace 638-E665?
There are 22 known substitutes for 638-E665: 365, 25SR, 631 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 638-E665?
638-E665 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-009-0497. This indicates validated use in U.S. government and defense supply chains.
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